1<template>
  <div class="app-container">
    <!--查询表单-->
    <div class="search-div">
      <el-form label-width="70px" size="small">
        <el-row>
          <el-col :span="24">
            <el-form-item label="角色名称">
              <el-input
                style="width: 100%"
                v-model="name"
                placeholder="角色名称"
              ></el-input>
            </el-form-item>
          </el-col>
        </el-row>
        <el-row style="display: flex">
          <el-button
            type="primary"
            icon="el-icon-search"
            size="mini"
            @click="getList()"
            >搜索</el-button
          >
          <el-button icon="el-icon-refresh" size="mini" @click="resetData"
            >重置</el-button
          >
        </el-row>
      </el-form>
    </div>
    <!-- 工具条 -->
    <div class="tools-div">
      <el-button
        type="success"
        icon="el-icon-plus"
        size="mini"
        @click="add()"
        :style="$auth('bnt.sysUser.add')"
        >添 加</el-button
      >
      <el-button
        class="btn-add"
        size="mini"
        @click="batchRemove()"
        :style="$auth('bnt.sysUser.add')"
        >批量删除</el-button
      >
    </div>
    <!-- 表格 -->
    <el-table
      v-loading="listLoading"
      :data="list"
      stripe
      border
      style="width: 100%; margin-top: 10px"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" />
      <el-table-column label="序号" width="70" align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>
      <el-table-column prop="roleName" label="角色名称" />
      <el-table-column prop="roleCode" label="角色编码" />
      <el-table-column prop="createTime" label="创建时间" width="160" />
      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <el-button
            type="primary"
            icon="el-icon-edit"
            size="mini"
            @click="edit(scope.row.id)"
            title="修改"
            :style="$auth('bnt.sysRole.update')"
          />
          <el-button
            type="danger"
            icon="el-icon-delete"
            size="mini"
            @click="removeById(scope.row.id)"
            title="删除"
            :style="$auth('bnt.sysRole.remove')"
          />
          <el-button
            type="warning"
            icon="el-icon-baseball"
            size="mini"
            @click="showAssignAuth(scope.row.id)"
            title="分配权限"
            :style="$auth('bnt.sysRole.assignMenu')"
          />
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页组件 -->
    <el-pagination
      :current-page="page"
      :total="total"
      :page-size="limit"
      style="padding: 30px 0; text-align: center"
      layout="total, prev, pager, next, jumper"
      @current-change="getList"
    />

    <!-- 添加/修改 -->
    <el-dialog title="添加/修改" :visible.sync="dialogVisible" width="40%">
      <el-form
        ref="dataForm"
        :model="sysRole"
        label-width="150px"
        size="small"
        style="padding-right: 40px"
      >
        <el-form-item label="角色名称">
          <el-input v-model="sysRole.roleName" />
        </el-form-item>
        <el-form-item label="角色编码">
          <el-input v-model="sysRole.roleCode" />
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button
          @click="dialogVisible = false"
          size="small"
          icon="el-icon-refresh-right"
          >取 消</el-button
        >
        <el-button
          type="primary"
          icon="el-icon-check"
          @click="saveOrUpdate()"
          size="small"
          >确 定</el-button
        >
      </span>
    </el-dialog>

    <!-- 分配角色 -->
    <el-dialog
      title="分配角色"
      :visible.sync="dialogVisibleAssignAuth"
      width="40%"
    >
      <el-tree
        ref="tree"
        :data="sysMenuList"
        node-key="id"
        show-checkbox
        default-expand-all
        :props="defaultProps"
      />
      <div style="padding: 20px 20px">
        <el-button
          :loading="loading"
          type="primary"
          icon="el-icon-check"
          size="mini"
          @click="save"
          >保存</el-button
        >
        <el-button
          @click="dialogVisibleAssignAuth = false"
          size="mini"
          icon="el-icon-refresh-right"
          >返回</el-button
        >
      </div>
    </el-dialog>
  </div>
</template>

<script>
import api from "@/api/sys/role";
import menuApi from "@/api/sys/menu";

export default {
  data() {
    return {
      listLoading: false, //是否显示加载
      list: [], //角色列表
      total: 0, //总记录数
      page: 1, //当前页
      limit: 10, //每页显示记录数
      name: "", //条件查询封装对象
      dialogVisible: false, //弹出框
      sysRole: {}, //封装添加表单数据
      selectValue: [], //复选框选择内容封装数组

      // menu
      dialogVisibleAssignAuth: false,
      loading: false, // 用来标识是否正在保存请求中的标识, 防止重复提交
      sysMenuList: [], // 所有
      defaultProps: {
        children: "children",
        label: "name",
      },
      updateRoleId: 0,
    };
  },
  created() {
    this.updateRoleId = 0;
    this.getList();
  },
  methods: {
    getList(pageNum = 1) {
      this.page = pageNum;
      api.list(this.page, this.limit, this.name).then((response) => {
        //每页数据列表
        this.list = response.data.records;
        //总记录数
        this.total = response.data.total;
      });
    },
    resetData() {
      this.name = ""; //清空表单
      this.getList(); //查询所有数据
    },
    //删除
    removeById(id) {
      this.$confirm("此操作将永久删除该角色, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      }).then(() => {
        //调用方法删除
        api.removeById(id).then((response) => {
          //提示
          this.$message({
            type: "success",
            message: "删除成功!",
          });
          //刷新
          this.getList();
        });
      });
    },
    //点击添加，弹出框
    add() {
      this.sysRole = {};
      this.dialogVisible = true;
    },
    edit(id) {
      api.getRoleById(id).then((response) => {
        this.sysRole = response.data;
        this.dialogVisible = true;
      });
    },
    //点击确定
    saveOrUpdate() {
      //判断添加还是修改
      if (!this.sysRole.id) {
        this.addRole();
      } else {
        this.updateRole();
      }
    },
    //添加的方法
    addRole() {
      api.add(this.sysRole).then((response) => {
        //提示
        this.$message({
          type: "success",
          message: "添加成功!",
        });
        //关闭弹框
        this.dialogVisible = false;
        //刷新页面
        this.getList(this.page);
      });
    },
    //修改的方法
    updateRole() {
      api.update(this.sysRole).then((response) => {
        //提示
        this.$message({
          type: "success",
          message: "修改成功!",
        });
        //关闭弹框
        this.dialogVisible = false;
        //刷新页面
        this.getList(this.page);
      });
    },
    //复选框发生变化执行方法
    handleSelectionChange(selection) {
      this.selectValue = selection;
    },
    //批量删除
    batchRemove() {
      //判断
      if (this.selectValue.length == 0) {
        this.$message.warning("请选择要删除的记录！");
        return;
      }
      this.$confirm("此操作将永久删除该角色, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      }).then(() => {
        //数组
        var idList = [];
        //获取多个复选框对应id，封装到数组里面
        for (var i = 0; i < this.selectValue.length; i++) {
          var obj = this.selectValue[i];
          var id = obj.id;
          idList.push(id);
        }
        api.removeByIds(idList).then((response) => {
          //提示
          this.$message({
            type: "success",
            message: "删除成功!",
          });
          //刷新
          this.getList(this.page);
        });
      });
    },

    // menu
    //跳转分配菜单权限
    showAssignAuth(id) {
      this.updateRoleId = id;
      menuApi.getByRoleId(id).then((result) => {
        const sysMenuList = result.data;
        this.sysMenuList = sysMenuList;
        const checkedIds = this.getCheckedIds(sysMenuList);
        this.$refs.tree.setCheckedKeys(checkedIds);
      });
      this.dialogVisibleAssignAuth = true;
    },
    // 得到所有选中的id列表
    getCheckedIds(auths, initArr = []) {
      return auths.reduce((pre, item) => {
        if (item.isSelect && item.children.length === 0) {
          pre.push(item.id);
        } else if (item.children) {
          this.getCheckedIds(item.children, initArr);
        }
        return pre;
      }, initArr);
    },

    // 保存权限列表
    save() {
      this.dialogVisibleAssignAuth = false;
      const allCheckedNodes = this.$refs.tree.getCheckedNodes(false, true);
      let idList = allCheckedNodes.map((node) => node.id);
      let assginMenuVo = {
        roleId: this.updateRoleId,
        menuIdList: idList,
      };
      this.loading = true;
      console.log(assginMenuVo);
      menuApi.assignMenu(assginMenuVo).then((result) => {
        this.loading = false;
        this.$message.success(result.$message || "分配权限成功");
        this.$router.push("/system/sysRole");
      });
    },
  },
};
</script>

<style>
</style>
